mirror of https://gitee.com/openkylin/qemu.git
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
|
|
* TPM utility functions
|
|
*
|
|
* Copyright (c) 2010 - 2015 IBM Corporation
|
|
* Authors:
|
|
* Stefan Berger <stefanb@us.ibm.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, see <http://www.gnu.org/licenses/>
|
|
*/
|
|
|
|
#ifndef SYSEMU_TPM_UTIL_H
|
|
#define SYSEMU_TPM_UTIL_H
|
|
|
|
#include "sysemu/tpm.h"
|
|
#include "qemu/bswap.h"
|
|
|
|
void tpm_util_write_fatal_error_response(uint8_t *out, uint32_t out_len);
|
|
|
|
bool tpm_util_is_selftest(const uint8_t *in, uint32_t in_len);
|
|
|
|
int tpm_util_test_tpmdev(int tpm_fd, TPMVersion *tpm_version);
|
|
|
|
static inline uint16_t tpm_cmd_get_tag(const void *b)
|
|
{
|
|
return lduw_be_p(b);
|
|
}
|
|
|
|
static inline void tpm_cmd_set_tag(void *b, uint16_t tag)
|
|
{
|
|
stw_be_p(b, tag);
|
|
}
|
|
|
|
static inline uint32_t tpm_cmd_get_size(const void *b)
|
|
{
|
|
return ldl_be_p(b + 2);
|
|
}
|
|
|
|
static inline void tpm_cmd_set_size(void *b, uint32_t size)
|
|
{
|
|
stl_be_p(b + 2, size);
|
|
}
|
|
|
|
static inline uint32_t tpm_cmd_get_ordinal(const void *b)
|
|
{
|
|
return ldl_be_p(b + 6);
|
|
}
|
|
|
|
static inline uint32_t tpm_cmd_get_errcode(const void *b)
|
|
{
|
|
return ldl_be_p(b + 6);
|
|
}
|
|
|
|
static inline void tpm_cmd_set_error(void *b, uint32_t error)
|
|
{
|
|
stl_be_p(b + 6, error);
|
|
}
|
|
|
|
void tpm_util_show_buffer(const unsigned char *buffer,
|
|
size_t buffer_size, const char *string);
|
|
|
|
#endif /* SYSEMU_TPM_UTIL_H */
|